The Quebec government’s Bill 62 — “An Act to foster adherence to State religious neutrality and, in particular, to provide a framework for requests for accommodations on religious grounds in certain bodies” — is stirring controversy by restricting face covering, a practice largely followed by Muslim women, many of whom are immigrants.

The objective of an anticipated political gain seems striking. Quebecers face a provincial election in the fall of 2018, and an Angus Reid poll found that one in five Quebecers said Bill 62 would...